<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>form</title>
</head>
<body>
    <!--表单标签：完成服务器一次交互-->
    <form action="">
        名字:<input type="text"><br/>
        密码:<input type="password"><br/>
        性别:<input type="radio" name="gender">男
            <input type="radio" name="gender" checked="checked">女<br/>
            <input type="checkbox">吃饭
            <input type="checkbox">睡觉
            <input type="checkbox">玩游戏

    </form>
    <label for="name">用户名：</label>
    <input type="text" name="name"
    
    <br>

    <form action="">
        课程:<input type="text" name="course">
        <input type="submit">
        <input type="reset">
        <input type="file">
    </form>
    <div>
        <label for="male">男</label>
        <input type="radio" name="sex" id="male">
        <label for="female">女</label>
        <input type="radio" name="sex" id="female"<br/>

    </div>
</body>
</html>